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    <title>About Us</title>
    <style>
        body {
            font: 12pt Verdana, Arial, Georgia, sans-serif;
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        nav {
            float: left;
            margin-top: 12px;
            margin-right: 18px;
            width: 150px;
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        nav ul {
            margin: 12px 0 0 0;
            padding: 0;
            list-style: none;
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        nav li {
            border-bottom: thin solid #fff;
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        nav ul a:link,
        nav li a:visited {
            display: block;
            padding: 3px 0 3px 3px;
            background-color: #628794;
            color: #fff;
            font-size: 10pt;
            font-weight: bold;
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        nav li a:hover,
        nav li a:active {
            background-color: #6cac46;
            color: #000;
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        nav a {
            text-decoration: none;
        }

        section {
            float: left;
            width: 550px;
        }

        section a {
            text-decoration: none;
            font-weight: bold;
        }
    </style>
</head>
<body>
    <nav>
        <ul>
            <li><a href="a">Mission</a></li>
            <li><a href="a">History</a></li>
            <li><a href="a">Execute Team</a></li>
            <li><a href="a">Contanct Us</a></li>
        </ul>
    </nav>
    <section>
        <header>
            <h1>About Us</h1>
        </header>
        <p>On the introductory pages of main sections, it can be useful</p>
        <ul>
            <li><a href="#">Mission</a>: Lean about on our corporate</li>
            <li><a href="#">History</a>: Read about our corporate history</li>
            <li><a href="#">Executive Team</a>: OUr team of executives makes</li>
            <li><a href="#">Contact Us</a>: Here you can find multiple</li>
        </ul>
    </section>
</body>
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